fix: revert maturin version (#795)

Cargo.lock

@@ -3913,9 +3913,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.21.2"
+version = "0.20.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a5e00b96a521718e08e03b1a622f01c8a8deb50719335de3f60b3b3950f069d8"
+checksum = "53bdbb96d49157e65d45cc287af5f32ffadd5f4761438b527b055fb0d4bb8233"
 dependencies = [
  "cfg-if",
  "indoc",
@@ -3931,8 +3931,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-asyncio"
-version = "0.21.0"
-source = "git+https://github.com/jopemachine/pyo3-asyncio/?branch=migration-pyo3-0.21#d1ec64076dd1b5c797db4b7b811f588466956d20"
+version = "0.20.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ea6b68e93db3622f3bb3bf363246cf948ed5375afe7abff98ccbdd50b184995"
 dependencies = [
  "futures",
  "once_cell",
@@ -3944,8 +3945,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-asyncio-macros"
-version = "0.21.0"
-source = "git+https://github.com/jopemachine/pyo3-asyncio/?branch=migration-pyo3-0.21#d1ec64076dd1b5c797db4b7b811f588466956d20"
+version = "0.20.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56c467178e1da6252c95c29ecf898b133f742e9181dca5def15dc24e19d45a39"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3954,9 +3956,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.21.2"
+version = "0.20.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7883df5835fafdad87c0d888b266c8ec0f4c9ca48a5bed6bbb592e8dedee1b50"
+checksum = "deaa5745de3f5231ce10517a1f5dd97d53e5a2fd77aa6b5842292085831d48d7"
 dependencies = [
  "once_cell",
  "target-lexicon",
@@ -3964,9 +3966,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.21.2"
+version = "0.20.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "01be5843dc60b916ab4dad1dca6d20b9b4e6ddc8e15f50c47fe6d85f1fb97403"
+checksum = "62b42531d03e08d4ef1f6e85a2ed422eb678b8cd62b762e53891c05faf0d4afa"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -3974,9 +3976,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-log"
-version = "0.10.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2af49834b8d2ecd555177e63b273b708dea75150abc6f5341d0a6e1a9623976c"
+checksum = "4c10808ee7250403bedb24bc30c32493e93875fef7ba3e4292226fe924f398bd"
 dependencies = [
  "arc-swap",
  "log",
@@ -3985,9 +3987,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.21.2"
+version = "0.20.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "77b34069fc0682e11b31dbd10321cbf94808394c56fd996796ce45217dfac53c"
+checksum = "7305c720fa01b8055ec95e484a6eca7a83c841267f0dd5280f0c8b8551d2c158"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -3997,9 +3999,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.21.2"
+version = "0.20.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08260721f32db5e1a5beae69a55553f56b99bd0e1c3e6e0a5e8851a9d0f5a85c"
+checksum = "7c7e9b68bb9c3149c5b0cade5d07f953d6d125eb4337723c4ccdb665f1f96185"
 dependencies = [
  "heck 0.4.1",
  "proc-macro2",

Cargo.toml

@@ -71,16 +71,16 @@ tokio = { version = "1.35", default_features = false, features = [
     "rt-multi-thread"
 ] }
 tokio-util = { version = "0.7.9", features = ["codec"] }
-pyo3 = { version = "0.21.2", features = [
+pyo3 = { version = "0.20.2", features = [
     "extension-module",
     "abi3-py37",
     "macros",
 ], default_features = false, optional = true }
-pyo3-asyncio = { git = "https://github.com/jopemachine/pyo3-asyncio/", branch="migration-pyo3-0.21", features = [
+pyo3-asyncio = { version="0.20.0", features = [
     "attributes",
     "tokio-runtime",
 ], default_features = false, optional = true }
-pyo3-log = { version = "0.10.0", default_features = false, optional = true }
+pyo3-log = { version = "0.9.0", default_features = false, optional = true }
 tract-onnx = { git = "https://github.com/sonos/tract/", rev = "05ebf550aa9922b221af4635c21a67a8d2af12a9", default_features = false, optional = true }
 tabled = { version = "0.12.0", optional = true }
 

src/graph/postgres.rs

@@ -1,6 +1,7 @@
 use log::{debug, error, info};
 use std::fmt::Debug;
 use std::net::IpAddr;
+#[cfg(unix)]
 use std::path::Path;
 use std::str::FromStr;
 use std::sync::Arc;